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United States Department of Agriculture
Agricultural Research Service
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Effective Jan. 1, 2025, the U.S. National Plant Germplasm System will modify its SMTA acceptance policy to distinguish between propagative and non-propagative germplasm.
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USDA National Plant Germplasm System
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2.3.12
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Descriptor:
Aphanomyces (APHANOMYCES)
Download list of accessions evaluated for this trait
Definition:
Percent resistant plants to Aphanomyces eutieches.
Crop:
ALFALFA
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
6
Responsible Site:
Western Regional PI Station (
W6
)
Studies or environments
ALFALFA.APHAN.88.GRAU
402 Accessions
ALFALFA.APHAN.89.GRAU
400 Accessions
ALFALFA.APHAN.90.GRAU
379 Accessions
ALFALFA.APHAN.91.GRAU
17 Accessions
Distribution of Values for
Aphanomyces (APHANOMYCES)
Range
Number of Accessions
0 - 4.2
994
4.2 - 8.4
142
8.4 - 12.6
44
12.6 - 16.8
19
16.8 - 21
3
21 - 25.2
3
25.2 - 29.4
0
29.4 - 33.6
0
33.6 - 37.8
0
37.8 - 42
1